USA TODAY Sports' Mike Hembree discusses the top headlines heading into Bristol, including Kasey Kahne's decision to step away from full-time racing at the end of the year.
SportsPulse: USA TODAY Sports' Mike Hembree discusses NASCAR'S throwback weekend, what makes Darlington Raceway so difficult and drivers who need to win to stay in the playoff hunt.
In 2001, professional race car driver Alex Zanardi lost both of his legs in the aftermath of a crash during competition. The life he leads now is nothing short of inspirational.
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